123369407 has 12 divisors (see below), whose sum is σ = 146567520. Its totient is φ = 103493376.

The previous prime is 123369403. The next prime is 123369409. The reversal of 123369407 is 704963321.

It is not a de Polignac number, because 123369407 - 2² = 123369403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123369403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24482 + ... + 29087.

It is an arithmetic number, because the mean of its divisors is an integer number (12213960).

Almost surely, 2^123369407 is an apocalyptic number.

123369407 is a deficient number, since it is larger than the sum of its proper divisors (23198113).

123369407 is an equidigital number, since it uses as much as digits as its factorization.

123369407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53630 (or 53623 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 123369407 is about 11107.1781744960. The cubic root of 123369407 is about 497.8163532569.

The spelling of 123369407 in words is "one hundred twenty-three million, three hundred sixty-nine thousand, four hundred seven".